Q1. A random variable that denotes SAT score has type and scale of measurement a. Numerical continuous, interval b. Numerical continuous, ratio c. Categorical nominal d. Categorical ordinal Q2. The distribution of books read by 500 students: Number of books: 10 12 16 18 24 Number of students: 50 200 150 90 10 The mode and median number of books read by students respectively are a. 10, 12 b. 11, 12 c. 10, 11 d. 12, 14 Q3. The following table shows Z scores for STA 2000 test of 80 students Z score frequency -3.5 -2.0 7 2.0 21 2.5 30 3.0 16 3.5 2 The percentage of students whose score is mode and outlier: a. 95% b. 5% c. 7.5% d. 92.5% Q4. The data available in a questionnaire collected by field staff of NYC is an example of a. Secondary source b. Observational c. Laboratory experiment d. Primary source